<template>
  <t-button round>默认</t-button>
  <t-button type="success" round>成功</t-button>
  <t-button type="primary" round>主要</t-button>
  <t-button type="warning" round>警告</t-button>
  <t-button type="info" round>信息</t-button>
  <t-button type="danger" round>危险</t-button>
</template>
